ESPP Tax Calculator & Return Estimator
Estimate ordinary income and capital gains tax on ESPP purchases and sales
This ESPP tax calculator models Section 423 qualified-plan economics: purchase price (with optional lookback), bargain element as ordinary income, post-purchase appreciation as capital gain, and net after-tax return. Use Auto mode to apply qualifying vs disqualifying rules from your holding dates, or force either disposition type to compare outcomes.
ESPP tax and return calculator
Plan & sale inputs
FMV figures from Form 3922 or your equity supplement; rates are federal+state proxies you control.
Results
Enter plan details and click Calculate.
Step-by-step filing guide: ESPP Tax Calculator & Return Estimator guide. Related tools: basis adjustment, qualifying disposition, and ESPP taxation guide.